Morse transmitter.



l. A. BREEN.

MORSE TRANSMITTER.

APPLICATION man nic. s. 1911.

l ,276, l 7 Patented Aug, 20, 1918 2 SHEETS-SHEET l.

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J. A. BEEEN.

MORSE TRNSIVHTTERy APPLICATION FILED DEC. 6.1917.

l ,20?@96 l 7' Patented Aug. 20, 1918.

2 SHEETS-SHEET 2.

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JAMES A. BREEN, OF WASHINGTON, DISTRICT OF COLUMBIA, ASSIGNOR OF ONE-HALF TO HARRY H. MILLER, OF WASHINGTON, DISTRICT OF COLUMBIA.

MORSE TRANSMITTER.

Specification of Letters Patent.

Patented Aug. 20, 1918.

To @ZZ whom it may concern Be it known that I, JAMns A. BREEN, a citizen of the United States, residing at lVashington, in the District of Columbia, have invented certain new and useful Improvements in Morse Transmitters, of which the following is a specification.

My invention has for its principal object the provision of a novel form of Morse transmitter which will lessen the labor of telegraphing, and has special reference to a novel mechanism whereby a circuit-closer may be actuated to make and break the circuit to make a plurality of dots7 by a Single movement of the dot lever.

Another object is the provision of an exceedingly simple construction of Morse transmitter.

Other objects will appear as the specification proceeds and the nature of the invention more fully appears.

In the accompanying drawings, forming part of this specilicatiomin which like reference-characters denote corresponding parts throughout the several views:

Figure 1 is a top plan view of my transmitter;

Fig. 2 is a view in side elevation thereof;

Fig. 3 is a transverse vertical sectional view, on the line 3 3, Fig. 1, looking in the direction of the arrows;

Fig. el is a top plan view of a variation, in which a plurality of dot keys are provided, which are selectively used to make a predetermined number of dots by a single movement of the particular key;

Fig. 5 is an end elevation of the mechanism shown in Fig. 4;

Fig. 6 is a transverse vertical sectional view, on the line 6 6, Fig. 4; and

Fig. 7 is a detail view of the clutch-pawl used with both forms of my invention.

Referring, now, in detail to the drawings, and, iirst, to Figs. l to 3 thereof:

1 designates a base-plate of insulating material supporting the operative parts of my transmitter.

2 designates a manually-operable lever loosely fulcrumed, at one end, on a pin 3, having a lower, cross-sectionally squared portion t seated in the base. The lever is, as shown, in two sections, one section, constituting the handle, 2a, being connected, at one end thereof, to the other portion by a pivot 5. The handle is provided, at its pivoted end, with a lip 2b, the lever 2 being recessed correspondingly to receive the lip, as clearly shown in Fig. l. Thus, the handle 2*"L is capable of pivotal movement in one direction, but is held from such movement in the other direction. A flat leaf-spring 2c, secured at one end thereof to the lever 2, bears, at its free end, upon said lip 2b, and serves to return the handle 2a to normal position after pivotal movement thereof. That portion of the handle 2a which is grasped by the operator is of electrical nonconducting material, as indicated in the drawings; but the handle is provided with an insert if of electrical conducting inaterial, and, in the normal position of the lever 2, this insert 2b bears up on a contactmember 6 carried by the base 1, and having a conductor 7 leading therefrom to one of the line-wires 8. The lever 2 is, also, provided with an electrical non-conducting in-l sert 9.

rIhe handle 2a may be provided with an electrical contact 10, which, when the handle is pivotally moved, strikes a stationary contact 11 carried by the base 1, thus closing the electrical circuit through the conductor 12 leading from said Contact 11 to the linewire 13. A stop 14 carried by the base limits movement of the lever 2 in one direction and holds it so that the contact 10 is spaced from the contact l1, whereby it is necessary for the operator to move the handle 2a on its pivot 5 in order to close the electric circuit through the contacts 10 and ll. A second stop 15 limits movement of the lever 2 in the opposite direction, and is so disposed on the base 1 that the full movement of the lever 2 from the stop let to the stop 15 will, through intermediate mechanism, cause the toothed wheel 21 (more particularly to be described hereinafter) to revolve until the pawl 23 of the circuit-closer 22 rides over six teeth thereof, thus making and breaking the circuit siX times, making six dots,a succession of siX dots being the greatest number used in the Morse telegraphic code. A spring 16, secured at one end thereof to a pin 17 carried by the base 1 and, at its other end, to the lever 2, automatically returns the latter to normal position against the stop 14, after manual movement thereof by the operator.

Seated in a recess in the lever 2, toward the fulcrumed end thereof, is a clutch-pawl 1ST ontlmrflv presee@ by a eoiletl spring l lle bottom ol' Sai l gagi a sillall raellet concentric and illtegral nitll tbe l'ootllelil ll'lleel El looseljgT 3. The teetll ot in tllis met neer ie exe *L liell as a roel lL in otetl ermetliate ite length, at so as to oseill or loeli. ellen tile oan'l-encl rlcle;

over tl. leetll of Wb l, and bring tlle free enel thereof against all electrical oon tact earriecl by ak binding-pest 25 'from lllliell le fl conductor 26 to a binding-post 27, to W1 ell tlle line-Wire il ie Connected. :l Conductor fle from tlle Diotal point or tlle oseillaale; roel or QQ to a binillngqlost to Wll Wire 13 ie cemlecteel. :lll aeljne earrieel by a posteelllent of lle eirellite direction from tlle eonta Q5; cllollgll tllie is net abellltel l ne ry, in 'View of tlle plolf'ision of a re laotile coiled Spring 230, eeellreel, elle tween tlle pil l l and, at its etllel enel e pill El TJflliel'l Spring operatee te lie/ep tlle panlencl olf tlle Cirel it-olesel 22 in Collet-ant engagement Witll tlle teetll or tbe Wlleel 2l.

lll operation, tlle lever 2, Wllen tlle opel'u ator desiree to make clotsq is moved tolarcl the ligllt in Fig. lf. to lllale one clot, or any Sllcoeeeioll ol lp to elfi, as may be flesil'ecl. Bjr tlle construction described, Snell movement or" the lever will partiallj'f re volve tlle Wlleel 2L so tllat tlle Circuit-Clos r 22 oseillatecl to malte alltel breal elle eirtlle oil to t`le roel b l lille pani-enel Q enit. ln operator soon becomes elll'oiently proficient to tell by feel, )list lion' far to more tlle lever 2 to male a predetermined number ef elots lese: tllall Six, ariel is able to moire the lever with sllttleient Celerity. coarse, alle", it iS desired to malle a Slleeession of (lots, all that llzls to be done is to move tlle leYer i2 llntil it strikes` tlle Stop Te make Qaellee, tlle llanclle of 'tlle level' is moreel on its; pivot 5 so as to bring tlle Contact 10 against tlle Contact ll, tlllls closing tlle electrle cirellit,

lt will time be apparent Yfrom tlle cleeription.y taller in ionneetion with tlle rllalzf'inge, that botll tbe eenetrlletioll and operation of tlle transmilter are exceedingly Simple; allel that, by a Single movement of tlle lever f29 ani: number of clots mal' be macle. llo to elfi aeinayberleeirefl. y l i Referring, non'.n in Cletaib to mjy invention t in this conetrlletion, a plllralit;7 of dot lief."- levers are lleeflt in numberl being eleeignated by tile relerence-numeral 32, eaell of nl icll is provided, at one enel thereof` with 'm J' l lt'L 34 'ta iolle Je looeelj,` nlonntet on a ela ly zeal i L ellporteil in bearings lll talla?k rdf; 23o.

Vtell ett tlle liey-lel'el'e le provided with a Sl'Jrlng-plessecl panl 36 meshing nitll tlle teetll of a ratellet-nlleel 3? tast on tlle Slla'ft The ratellet-Wlleele are of clillering elialeselltly electric eon'teet il retraetile ooilefl Spring Il eonlleel'elj a one enel to tlle bar 39 bet*7 'een the support el and tlle `Wheel and, at its otller enel, to tbe base la, Serves to maintain *elle pelli end 39T olf tile eircniteloeer 39 in engagement Witll tlie teetll of tlle Wlleel 3S.

aell oli tlle lley-leifers is manllallj,T cle seed zigeinet lille illllllenee of ooilecl spring le nterpoeecl between tlle key e5 allcl tlle baee l, Wlliel Spring returns elle key l levers to normal position after depression tllereot.

L bar il@ tliepoeeel transversely aerose all of tlle key-levers 32 limite llpwarel movement ef tile key-levels. Y

Elle key-lever controlling mol/'ement ot' telle ratelletwlleel 37 baiting tlle largest cli alneter will rotate or move tlle tootlleel Wheel so tllat tlle paul-enel 39a will ricle over olle tootll thereof, tllns ealleing tlle oirelliteloeer 39 to make and real; tile oirollit once, making one l flot, according to tlle lllorse code. Movement of tlle next adjacent keylever 32y Will eallee tile Cirellit Closer 39 to lnalie and breall tlle oil-enit twice, to malle tn'o clotell; and So on.

l? designates a tlaell key, Wlliell may be et tlle Conventional type.

,ating tlllls fully described my invention, Wllat l claim as new and eleeire to Secure by il. ln al Melee transmitter, the eombinati n, Tfitll a florlnalljT open electric circuit, ol' a movable oil'ellit-eloeing memberj a rev olllble teotlletl n'llel engaging Saicl Circuitolesing member, a latellet earriecl by Saicl Wheel? a lever carrying a 'pawl engaging Wit-ll saiel ratchet for rotating said Wheel, an (liberating-handle pil'otecl 'to saicl lever, Contact-plate upon Wllioll Saicl llanelle beafs. allfl an eleotl'ie Contact Wit-ll which said llanclle Contacte upon pivotal movement thereof.

lll Morse tranemitter, tlle Combinetion, llfitll a llormall'l7 open eleetrie eilellit, ofi a movable eilellitele-Sing` member. a rel* olllble toetlled lllleel engaging said oil:- Clliielofing member, a ratelletoarrlecl by Saicl tvlleelH a lever carrying ljawl enga@ ing n'itll salti ratollet for rotating Saiel Wlleelj an operating-llanelle pivoteel to eaicl.

lever, means carried by said handle for preventing pivotal movement thereof in one direction, a contact-plate upon which said handle bears, and an electric contact With Which said handle contacts upon pivotal movement thereof.

3. In a Morse transmitter, the combination, with a. normally open electric circuit, of a movable circuit-closing member, a revoluble toothed Wheel engaging said cir cuit-closing member, a ratchet carried by said Wheel, a lever carrying a pa-Wl engaging With -said ratchet for rotating said Wheel, an operating-handle pivoted to said lever, means carried by said lever for returning said handle to normal position after pivotal movement thereof, a contactplate upon which said handle bears, and an electric contact with which said handle contacts upon pivotal movement thereof.

4:. In a Morse transmitter, the combination, with a normally-open electric circuit, 0i' a movable circuit-closing member, levercontrolled mechanism for moving said circuit-closing member to make and break the circuit, and a handle pivoted to said lever and operable by pivotal movement to make and break said circuit independently of said circuit-closing member.

In testimony whereof, I afiix my signature.

JAMES A. BREEN.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents. Washington, D. C. 

